Reporting for ASP.NET Core - How to Manage Events of a Cached Document and Pass Custom Data to the Exported Document
This example creates and registers a descendant of our WebDocumentViewerOperationLogger class to attach the XlSheetCreated event handler to the document.
This example also illustrates the technique used to restore event handlers after a document is serialized in the cache and all event handlers are detached.
Run the application and select Export to XLSX:
The product category is used to rename worksheets in the exported XLSX file. The category is displayed in the report on the page from which the worksheet originated.
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